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annotate visualizer/Data/src/com/sun/hotspot/igv/data/Properties.java @ 9103:e7541d478e38

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Added DebugHistory utility and corresponding unit tests.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 13 Apr 2013 17:55:43 +0200
parents 015fb895586b
children
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1 /*
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2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24 package com.sun.hotspot.igv.data;
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25
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26 import java.io.Serializable;
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27 import java.util.*;
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28 import java.util.regex.Matcher;
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29 import java.util.regex.Pattern;
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30 import java.util.regex.PatternSyntaxException;
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31
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32 /**
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33 *
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34 * @author Thomas Wuerthinger
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35 */
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36 public class Properties implements Serializable, Iterable<Property> {
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37
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38 public static final long serialVersionUID = 1L;
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39 private String[] map = new String[4];
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40
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41 public Properties() {
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42 }
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43
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44 @Override
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45 public boolean equals(java.lang.Object o) {
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46 if (!(o instanceof Properties)) {
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47 return false;
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48 }
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49
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50 Properties p = (Properties) o;
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51
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52 for (Property prop : this) {
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53 String value = p.get(prop.getName());
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54 if (value == null || !value.equals(prop.getValue())) {
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55 return false;
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56 }
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57 }
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58
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59 for (Property prop : p) {
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60 String value = this.get(prop.getName());
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61 if (value == null || !value.equals(prop.getValue())) {
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62 return false;
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63 }
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64 }
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65
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66 return true;
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67 }
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68
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69 @Override
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70 public int hashCode() {
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71 int hash = 5;
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72
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73 if (map != null) {
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74 for (int i = 0; i < this.map.length; i++) {
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75 if (map[i] == null) {
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76 i++;
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77 } else {
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78 hash = hash * 83 + map[i].hashCode();
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79 }
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80 }
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81 }
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82 return hash;
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83 }
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84
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85 public Properties(String name, String value) {
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86 this();
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87 this.setProperty(name, value);
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88 }
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89
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90 public Properties(String name, String value, String name1, String value1) {
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91 this(name, value);
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92 this.setProperty(name1, value1);
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93 }
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94
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95 public Properties(String name, String value, String name1, String value1, String name2, String value2) {
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96 this(name, value, name1, value1);
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97 this.setProperty(name2, value2);
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98 }
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99
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100 public Properties(Properties p) {
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101 map = new String[p.map.length];
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102 System.arraycopy(p.map, 0, map, 0, p.map.length);
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103 }
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104
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105 public static class Entity implements Provider {
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106
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107 private Properties properties;
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108
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109 public Entity() {
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110 properties = new Properties();
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111 }
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112
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113 public Entity(Properties.Entity object) {
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114 properties = new Properties(object.getProperties());
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115 }
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116
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117 @Override
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118 public Properties getProperties() {
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119 return properties;
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120 }
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121 }
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122
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123 public interface PropertyMatcher {
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124
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125 String getName();
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126
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127 boolean match(String value);
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128 }
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129
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130 public static class InvertPropertyMatcher implements PropertyMatcher {
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131
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132 private PropertyMatcher matcher;
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133
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134 public InvertPropertyMatcher(PropertyMatcher matcher) {
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135 this.matcher = matcher;
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136 }
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137
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138 @Override
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139 public String getName() {
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140 return matcher.getName();
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141 }
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142
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143 @Override
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144 public boolean match(String p) {
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145 if (p == null) {
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146 return false;
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147 }
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148 return !matcher.match(p);
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149 }
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150 }
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151
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152 public static class StringPropertyMatcher implements PropertyMatcher {
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153
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154 private String name;
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diff changeset
155 private String value;
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156
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157 public StringPropertyMatcher(String name, String value) {
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diff changeset
158 if (name == null) {
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diff changeset
159 throw new IllegalArgumentException("Property name must not be null!");
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parents:
diff changeset
160 }
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parents:
diff changeset
161 if (value == null) {
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parents:
diff changeset
162 throw new IllegalArgumentException("Property value must not be null!");
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parents:
diff changeset
163 }
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diff changeset
164 this.name = name;
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diff changeset
165 this.value = value;
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parents:
diff changeset
166 }
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diff changeset
167
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diff changeset
168 @Override
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diff changeset
169 public String getName() {
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170 return name;
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parents:
diff changeset
171 }
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parents:
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172
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diff changeset
173 @Override
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diff changeset
174 public boolean match(String p) {
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parents:
diff changeset
175 if (p == null) {
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176 throw new IllegalArgumentException("Property value must not be null!");
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diff changeset
177 }
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diff changeset
178 return p.equals(value);
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179 }
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180 }
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181
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diff changeset
182 public static class RegexpPropertyMatcher implements PropertyMatcher {
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183
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184 private String name;
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185 private Pattern valuePattern;
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186
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187 public RegexpPropertyMatcher(String name, String value) {
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188 this(name, value, 0);
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189 }
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190
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191 public RegexpPropertyMatcher(String name, String value, int flags) {
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192
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193 if (name == null) {
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194 throw new IllegalArgumentException("Property name must not be null!");
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parents:
diff changeset
195 }
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196
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parents:
diff changeset
197 if (value == null) {
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diff changeset
198 throw new IllegalArgumentException("Property value pattern must not be null!");
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parents:
diff changeset
199 }
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diff changeset
200
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201 this.name = name;
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202
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
203 try {
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204 valuePattern = Pattern.compile(value, flags);
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parents:
diff changeset
205 } catch (PatternSyntaxException e) {
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diff changeset
206 throw new IllegalArgumentException("Bad pattern: " + value);
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parents:
diff changeset
207 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
208 }
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diff changeset
209
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parents:
diff changeset
210 @Override
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diff changeset
211 public String getName() {
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212 return name;
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parents:
diff changeset
213 }
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diff changeset
214
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parents:
diff changeset
215 @Override
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diff changeset
216 public boolean match(String p) {
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diff changeset
217 if (p == null) {
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diff changeset
218 throw new IllegalArgumentException("Property value must not be null!");
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diff changeset
219 }
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diff changeset
220 Matcher m = valuePattern.matcher(p);
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parents:
diff changeset
221 return m.matches();
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diff changeset
222 }
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
223 }
015fb895586b Moved visualizer to new directory.
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diff changeset
224
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diff changeset
225 public Property selectSingle(PropertyMatcher matcher) {
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226
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227 final String name = matcher.getName();
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diff changeset
228 String value = null;
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diff changeset
229 for (int i = 0; i < map.length; i += 2) {
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diff changeset
230 if (map[i] != null && name.equals(map[i])) {
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diff changeset
231 value = map[i + 1];
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parents:
diff changeset
232 break;
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diff changeset
233 }
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
234 }
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
235 if (value != null && matcher.match(value)) {
015fb895586b Moved visualizer to new directory.
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diff changeset
236 return new Property(name, value);
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parents:
diff changeset
237 } else {
015fb895586b Moved visualizer to new directory.
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diff changeset
238 return null;
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parents:
diff changeset
239 }
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
240 }
015fb895586b Moved visualizer to new directory.
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diff changeset
241
015fb895586b Moved visualizer to new directory.
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diff changeset
242 public interface Provider {
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diff changeset
243
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diff changeset
244 public Properties getProperties();
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diff changeset
245 }
015fb895586b Moved visualizer to new directory.
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diff changeset
246
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
247 @Override
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parents:
diff changeset
248 public String toString() {
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diff changeset
249 List<String[]> pairs = new ArrayList<>();
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diff changeset
250 for (int i = 0; i < map.length; i += 2) {
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
251 if (map[i + 1] != null) {
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
252 pairs.add(new String[]{map[i], map[i + 1]});
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
253 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
254 }
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
255
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
256 Collections.sort(pairs, new Comparator<String[]>() {
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
257 @Override
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
258 public int compare(String[] o1, String[] o2) {
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
259 assert o1.length == 2;
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parents:
diff changeset
260 assert o2.length == 2;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
261 return o1[0].compareTo(o2[0]);
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
262 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
263 });
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
264
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
265 StringBuilder sb = new StringBuilder();
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
266 sb.append("[");
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parents:
diff changeset
267 boolean first = true;
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
268 for (String[] p : pairs) {
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parents:
diff changeset
269 if (first) {
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
270 first = false;
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
271 } else {
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
272 sb.append(", ");
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
273 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
274 sb.append(p[0] + "=" + p[1]);
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
275 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
276 return sb.append("]").toString();
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parents:
diff changeset
277 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
278
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
279 public static class PropertySelector<T extends Properties.Provider> {
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
280
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
281 private Collection<T> objects;
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parents:
diff changeset
282
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parents:
diff changeset
283 public PropertySelector(Collection<T> objects) {
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
284 this.objects = objects;
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
285 }
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
286
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
287 public T selectSingle(PropertyMatcher matcher) {
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
288
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
289 for (T t : objects) {
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
290 Property p = t.getProperties().selectSingle(matcher);
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
291 if (p != null) {
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
292 return t;
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
293 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
294 }
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
295
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
296 return null;
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
297 }
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
298
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
299 public List<T> selectMultiple(PropertyMatcher matcher) {
015fb895586b Moved visualizer to new directory.
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parents:
diff changeset
300 List<T> result = new ArrayList<>();
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
301
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
302 for (T t : objects) {
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
303 Property p = t.getProperties().selectSingle(matcher);
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
304 if (p != null) {
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305 result.add(t);
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306 }
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307 }
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308
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309 return result;
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310 }
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parents:
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311 }
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312
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313 public String get(String key) {
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314 for (int i = 0; i < map.length; i += 2) {
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315 if (map[i] != null && map[i].equals(key)) {
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316 return map[i + 1];
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317 }
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318 }
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319 return null;
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320 }
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321
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322 public void setProperty(String name, String value) {
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323
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324 for (int i = 0; i < map.length; i += 2) {
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325 if (map[i] != null && map[i].equals(name)) {
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326 String p = map[i + 1];
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327 if (value == null) {
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328 // remove this property
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329 map[i] = null;
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330 map[i + 1] = null;
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331 } else {
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332 map[i + 1] = value;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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333 }
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334 return;
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parents:
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335 }
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parents:
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336 }
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337 if (value == null) {
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338 return;
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339 }
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340 for (int i = 0; i < map.length; i += 2) {
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341 if (map[i] == null) {
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342 map[i] = name;
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343 map[i + 1] = value;
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344 return;
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parents:
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345 }
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346 }
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347 String[] newMap = new String[map.length + 4];
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348 System.arraycopy(map, 0, newMap, 0, map.length);
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349 newMap[map.length] = name;
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350 newMap[map.length + 1] = value;
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diff changeset
351 map = newMap;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
352 }
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parents:
diff changeset
353
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354 public void add(Properties properties) {
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355 for (Property p : properties) {
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diff changeset
356 setProperty(p.getName(), p.getValue());
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parents:
diff changeset
357 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
358 }
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359
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diff changeset
360 private class PropertiesIterator implements Iterator<Property> {
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361
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diff changeset
362 int index;
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parents:
diff changeset
363
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diff changeset
364 @Override
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diff changeset
365 public boolean hasNext() {
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parents:
diff changeset
366 while (index < map.length && map[index + 1] == null) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
367 index += 2;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
368 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
369 return index < map.length;
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parents:
diff changeset
370 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
371
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parents:
diff changeset
372 @Override
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parents:
diff changeset
373 public Property next() {
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parents:
diff changeset
374 if (index < map.length) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
375 index += 2;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
376 return new Property(map[index - 2], map[index - 1]);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
377 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
378 return null;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
379 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
380
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
381 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
382 public void remove() {
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
383 throw new UnsupportedOperationException("Not supported yet.");
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
384 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
385 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
386
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
387 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
388 public Iterator<Property> iterator() {
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
389 return new PropertiesIterator();
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
390 }
015fb895586b Moved visualizer to new directory.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
391 }